Search Results

Ballast-Scraper.

Description: Patent for new and useful improvements in ballast scrapers, including instructions and illustrations.
Date: August 22, 1899
Creator: McElvaney, Charles T.
Partner: UNT Libraries Government Documents Department

Freezer

Description: Patent for a portable freezer designed to freeze cream and milk. Illustration included.
Date: January 16, 1909
Creator: Milburn, William M.
Partner: UNT Libraries Government Documents Department

Washing Machine

Description: Patent for a washing machine. "This invention relates to washing-machines in the nature of a combined boiler and washing machine" (8-10). Illustration included.
Date: March 7, 1903
Creator: Pollard, Louis Edgar
Partner: UNT Libraries Government Documents Department

Apparatus for Controlling Trolley Poles

Description: Patent for an apparatus for controlling trolley poles. "This invention relates to an apparatus for controlling trolley poles employed for effecting electrical connection between a trolley wire and a motor on a car, and has for its object to provide improved means for automatically throwing the trolley into position to be placed in engagement with the trolley wire" (line 9-15). Illustrations included.
Date: May 2, 1903
Creator: Bogue, Judson L. & Jennings, David M.
Partner: UNT Libraries Government Documents Department

Ant-Trap

Description: Patent for an ant trap "to provide a simple, inexpensive, and efficient one of great strength and durability adapted to be place over an ant-hill and capable of capturing the ant in the hill as they leave the same and also of catching the outside ants as they attempt to enter the hill. (line 11-17)
Date: May 26, 1903
Creator: Finley, William Frederick
Partner: UNT Libraries Government Documents Department

Railroad-Rail.

Description: Patent for a new and useful railroad rail, including instructions and illustrations.
Date: August 16, 1898
Creator: Hariman, George V.
Partner: UNT Libraries Government Documents Department

Surgical Applicator

Description: Patent for a surgical applicator "which may be employed for the application of a suitable medicament to the membranous lining of the urethral canal of the phallus.(line 10-14).
Date: January 15, 1903
Creator: Ridgeway, Elzie L. & Bailey, Dan H.
Partner: UNT Libraries Government Documents Department

Telephone Transmitter and Receiver

Description: Patent for a telephone transmitter and receiver. The device is for lines "known as 'long-distance' telephones for the purpose of taking up the weakened vibrations and re-energizing them...transmitting them with increased volume" (line 12-15) illustration included.
Date: July 14, 1900
Creator: Sammons, Oliver P.
Partner: UNT Libraries Government Documents Department

Gland or Swab-Holder

Description: Patent for a holder for swabs used for lubricating pistons, valve rods, and other similar devices. Illustrations included.
Date: March 25, 1907
Creator: Slaydon, William
Partner: UNT Libraries Government Documents Department

Headlight Attachment

Description: Patent for headlight attachments designed to display "numbers and other signals in front of locomotive headlights" (lines 10-11). Illustrations included.
Date: January 8, 1906
Creator: McElvaney, Charles T.
Partner: UNT Libraries Government Documents Department

Car Replacer

Description: Patent for a car replacer. This invention is designed for the replacement of derailed locomotives, cars, and stock pens to the rails. Illustration included.
Date: February 1, 1907
Creator: Bowman, James M.
Partner: UNT Libraries Government Documents Department

Boiler Stay Bolt

Description: Patent for a boiler stay bolt. This design is made of flexible stay-bolts for boiler allowing for movement bracing sheets. Illustration included.
Date: July 9, 1907
Creator: Borneman, Lewis
Partner: UNT Libraries Government Documents Department

Improvement in Rerigerator-Cars.

Description: Patent for "improvements in refrigerator-cars for preserving fresh meats, vegetables, and other perishable articles while transporting them over great distance; and it consists of an ice-receptacle at the top of the car, provided with flat top and carved or inclined bottom." (Lines 13-19) Includes instructions and illustrations.
Date: January 18, 1876
Creator: Zimmerman, Arnold W.
Partner: UNT Libraries Government Documents Department